Samlexpower EVO-2212E Owner's Manual - Section 4 |
66 | SAMLEX AMErICA INC.
SAMLEX AMErICA INC. | 67
legend for fig 4.1(a)
K2
Transfer relay (40A) for Grid, Line
K3
Transfer relay (40A) for Generator, Line
K4
relay (40A) for Neutral to Ground bond Switching
4, 3
Normally Closed Contacts
4, 5
Normally Open Contacts
QD
Quick Disconnect (13, fig 3.9) for disconnecting Output Neutral to Chassis Ground bond in
Inverting Mode (Default - connected)
NOTE:
relays are de-energized in Inverting Mode and are energized in Charging Mode
NEUTRAL
BI-DIRECTIONAL
TRANSFORMER
LINE
K4
1
OUTPUT
NEUTRAL
GRID
LINE
GRID
GND
GRID
NEUTRAL
GEN
LINE
GEN
GND
GEN
NEUTRAL
AC OUTPUT
LINE
OUTPUT
GND
9
4
6
3
7
K2
1
9
4
6
3
7
K3
1
9
4
6
3
7
INVERTING
CHARGING
METAL CHASSIS
GROUND OF THE UNIT
QD
fig 4.1(b) operation of transfer relay and neutral to ground bond Switching in evo-3012 and evo-4024
legend for fig 4.1(b)
K2
DPDT Transfer relay (70A) for Grid, Line
Two 35A each poles are paralleled for 70A capacity
K3
DPDT Transfer relay (70A) for Generator, Line
Two 35A each poles are paralleled for 70A capacity
K4
DPDT Transfer relay (70A) for Neutral to Ground bond Switching
Two 35A each poles are paralleled for 70A capacity
7,1 and 9,3
Normally Closed Contacts
7,4 and 9,6
Normally Open Contacts
QD
Quick Disconnect (13, fig 3.9) for disconnecting Output Neutral to Chassis Ground
bond in Inverting Mode (Default - connected)
NOTE:
relays are de-energized in Invertering Mode and are energized in Charging Mode
SECTIOn 4 |
general Description & Principles of Operations